In conclusion, I suggest that you keep 5 to 6 Neon tetras together in a 10-gallon tank. How Many Neon Tetras In A School? Neon tetras are schooling fish, and therefore should be kept in numbers, if you are to use a 3 gallon tank, you can only keep 1 maybe 2 neon tetras. Neon Tetras in 50 Gallon Tanks. Now, let's look at what real hobbyists have to say on the matter. = 5.71. Ideally, you should upgrade to a 10 gallon tank, which doesn't use much more space than the 5, and keep 6-8 neon tetras. A very flexible tank that offers an ample amount of space for many varieties of fish as well as plants. How Many Neon Tetras Should I Get? You can keep the fancy varieties, such as Fantails and Black Moors, if you have enough space. It feeds on plants and small invertebrates. Choosing a 50-gallon tank is an adaptable choice. So, if you can fit 5 neon Tetra fish into a 10 gallon tank , you can therefore fit 10 neon Tetra fish into a 20 gallon tank. Neon tetras like to be in a group, and they usually swim around in a group of 5 or 6. When placing black neon tetras in a 5-gallon tank, make sure they are five or less. Neon Tetras are schooling fish and should be kept with at least 6 others of their own kind. If you are looking for a tank that is easy to clean, this is the one to get. I'll assume they're 1.75 inches (4.45 cm) long for the purposes of this calculation. You can only add around 3 neon tetras in a 5-gallon tank. If you're stuck with a 5 gallon, however, and you're set on neon tetras, there's no reason you can't give it a go. The rule above isn't set it stone. To be honest, you can fit in 10 Neon Tetras easily, perhaps even push it up to 15, but sticking to around 10-15 of these for a 15 gallon tank should be more than enough . As attractive a 50-gallon tank sounds, it can be quiet expensive as well. 10 lemon tetras + 6 ghost shrimps + 1 snail OR So, get a tank of at least 5 gallons. So, total number of neon tetras a 10 gallon tank can hold = 10/ 1.75. So, according to this rule, the maximum number of neon tetras a 10-gallon tank could hold is 6 as well. 10 gallon/ 35 liters You can put schools of 6 to 10 fish or mix it up with 2 smaller schools of different species of fish. (e.g. The average length of neon tetras is about 1.5 inches (4 cm). but if your filtration system is good then you can add more.if i have 50 gallon tank then i'll keep 70 cardinal tetra there. Also, avoid keeping only 2-3 tetras since this will put the fish into a solitary mood, and they will retreat and don't . If rounded up, you would get 11 or 12. Some neon tetras are smaller than 2 inches and measuring them exactly may not be so accurate. 10 Neon Tetras would be most comfortable in a 20 gallon tank. Let's round it off to 6. Goldfish needs at least a 50 gallon tank, but a group will be much happier in 75 gallons. Average size of a neon tetra = 2 inches. Okay, enough maths for today. You should get at least 4-6 Neon Tetras to make a pretty school inside the fish tank. How Many Neon Tetras in 10 and 20 Gallon Tanks? For starters, most tetra fish that we can maintain in a 5-gallon tank are 1.5 to 2 inches in length (you can keep bigger tetra fish in the 5-gallon tank). Around 15-20 Neon Tetras can live together happily in a 20-gallon tank. This article highlights everything you need to know about neon tetra. The quick answer is that a 55 gallon tank can accommodate around 28 to 50 neon tetras. This is really not a good idea as your fish will become stressed and will likely die. However, if you plan on getting a larger school, consider going for at least 10 Neon Tetra. To give you a clear idea about this, here's a size guide table that tells how many neon fish can fit based on tank size: This is not ideal, as Neon Tetras should be kept in groups of 6+, but it can be done successfully. If you don't use many decorations and cover the bottom of the tank with rocks or sands, you can keep 6-7 tetras without any problem. 6 neon tetras + 1 snail OR 2 platys + 6 ghost shrimps OR 1 beta + 6 ghost shrimps or 1 snail. You can allow yourself to experiment with your aquarium and make it more appealing. Accordingly, if we follow the basic rule of one gallon of water for every inch of fish length, we may maintain about 2 to 3 tetra fish in a 5-gallon tank. Observing their behavior is more important. They are usually compatible so you won't get the disharmony in the tank, that can be displayed with some other species. 20 Neon tetras would give you room to add a few more fish, but not many. A 2 inch neon tetra = 2 gallons of water. Penguin Tetra Penguin Tetra The penguin tetra is a characin fish that hails from the Amazon Basin in Brazil. The minimum number of Neon Tetras in a school is six, and your aquarium's size dictates the maximum. But these fish need to be kept in a group of 6 to feel comfortable and be able to school. And a 5-gallon tank is nowhere big enough for that. As a result, a 20-gallon tank would house 11.42 neon tetras (20/1.75). i personally like cardinal tetra as i have 20 cardinal tetra in my 18 gallon heavily planted tank.the general rule is you can add 1 neon/cardinal/1 gallon of water.so you can keep min. at least 6 neons, even if you . The fish prefers soft acidic water, and that is why its motherland can be traced to the Paraguay Basin in Brazil. Neon tetras are energetic fish, so they are fun to watch. 50 of them. Final Words: How Many Neon Tetras In A 5-Gallon Tank? Nonetheless, it is okay if it is smaller even; you may have to reduce the number of fish. For a more detailed answer - keep reading! 15 would give you a little more room to add extra fish into the aquarium. 5 gallon/ 19 liters 5 gallon tanks are small so your choice is pretty much limited. A variety of other fish can be kept with you, as can a group of up to 3 Giant Danios. A very conservative estimate would be that a Neon Tetra grows to a maximum of 2 inches, a 15 gallon tank allows you to keep 15/2 = 7.5 Neon Tetras with lots of room to spare. As long as you provide each fish with at least 1.5 or two gallons of tank space, they should be totally fine.